Security Intelligence Service Explained

"Security Intelligence Service" may refer to:

• Canadian Security Intelligence Service
• New Zealand Security Intelligence Service
• Tiger Organization Security Intelligence Service, Liberation Tigers of Tamil Eelam (Sri Lankan Civil War)
• Security and Intelligence Services (India), private security company in India

See also

• Secret Intelligence Service, (MI5)
• Signals Intelligence Service, US Army (WWII)
• Special Intelligence Service, forerunner of the CIA
• Security Service (disambiguation)